package org.wm.authentication.filter;

import java.io.IOException;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import org.wm.authentication.TokenService;
import org.wm.entity.SysUser;
import org.wm.entity.vo.LoginUser;
import org.wm.mapper.SysUserMapper;
import org.wm.utils.DateUtils;
import org.wm.utils.SecurityUtils;
import org.wm.utils.StringUtils;

/**
 * token过滤器 验证token有效性
 *
 * @author ruoyi
 */
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
    @Autowired
    private TokenService tokenService;

    @Autowired
    private SysUserMapper sysUserMapper;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
            throws ServletException, IOException {
        LoginUser loginUser = tokenService.getLoginUser(request);
        /*LoginUser loginUser = new LoginUser();
        var user = sysUserMapper.selectUserByUserName("admin");
        loginUser.setUser(user);
        var date = new Date(2022, 10, 10, 10, 10, 10);
        loginUser.setExpireTime(date.getTime());*/
        if (StringUtils.isNotNull(loginUser) && StringUtils.isNull(SecurityUtils.getAuthentication())) {
            tokenService.verifyToken(loginUser);
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        }
        chain.doFilter(request, response);
    }
}
